package com.lky.marshallmall.product.service.impl;

import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.lky.common.constant.ProductConstant;
import com.lky.marshallmall.product.dao.AttrAttrgroupRelationDao;
import com.lky.marshallmall.product.dao.AttrGroupDao;
import com.lky.marshallmall.product.dao.CategoryDao;
import com.lky.marshallmall.product.entity.AttrAttrgroupRelationEntity;
import com.lky.marshallmall.product.entity.AttrGroupEntity;
import com.lky.marshallmall.product.entity.CategoryEntity;
import com.lky.marshallmall.product.service.CategoryService;
import com.lky.marshallmall.product.vo.AttrGroupRelationVo;
import com.lky.marshallmall.product.vo.AttrResponseVo;
import com.lky.marshallmall.product.vo.AttrVo;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.aspectj.weaver.ast.Test;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.lky.common.utils.PageUtils;
import com.lky.common.utils.Query;

import com.lky.marshallmall.product.dao.AttrDao;
import com.lky.marshallmall.product.entity.AttrEntity;
import com.lky.marshallmall.product.service.AttrService;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.ResourceUtils;

import javax.servlet.http.HttpServletRequest;


@Service("attrService")
public class AttrServiceImpl extends ServiceImpl<AttrDao, AttrEntity> implements AttrService {

    @Autowired
    private AttrAttrgroupRelationDao relationDao;
    @Autowired
    private AttrGroupDao attrGroupDao;
    @Autowired
    private CategoryDao categoryDao;
    @Autowired
    private CategoryService categoryService;

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<AttrEntity> page = this.page(
                new Query<AttrEntity>().getPage(params),
                new QueryWrapper<AttrEntity>()
        );

        return new PageUtils(page);
    }

    @Transactional
    @Override
    public void saveAttr(AttrVo attr) {
        AttrEntity attrEntity = new AttrEntity();
        //vo封装到po中
        BeanUtils.copyProperties(attr, attrEntity);
        //保存基本数据
        this.save(attrEntity);
        //保存关联关系
        if (attr.getAttrType() == ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode()
                && attr.getAttrGroupId() != null) {
            AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();
            relationEntity.setAttrGroupId(attr.getAttrGroupId());
            relationEntity.setAttrId(attrEntity.getAttrId());
            relationDao.insert(relationEntity);
        }
    }

    @Override
    public PageUtils queryBaseAttrPage(Map<String, Object> params, Long catelogId, String type) {
        QueryWrapper<AttrEntity> queryWrapper = new QueryWrapper<AttrEntity>().eq("attr_type", "base".equalsIgnoreCase(type) ?
                ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode() : ProductConstant.AttrEnum.ATTR_TYPE_SALE.getCode());
        if (catelogId != 0) {
            queryWrapper.eq("catelog_id", catelogId);
        }
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)) {
            queryWrapper.and((warpper) -> {
                warpper.eq("attr_id", key).or().like("attr_name", key);
            });
        }
        IPage<AttrEntity> page = this.page(
                new Query<AttrEntity>().getPage(params),
                queryWrapper
        );
        PageUtils pageUtils = new PageUtils(page);
        List<AttrEntity> records = page.getRecords();
        List<AttrResponseVo> responseVoList = records.stream().map((attrEntity) -> {
            AttrResponseVo attrResponseVo = new AttrResponseVo();
            BeanUtils.copyProperties(attrEntity, attrResponseVo);
            //设置分类和分组名字
            if ("base".equalsIgnoreCase(type)) {
                AttrAttrgroupRelationEntity attrId = relationDao.selectOne(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attrEntity.getAttrId()));
                if (attrId != null && attrId.getAttrGroupId() != null) {
                    AttrGroupEntity attrGroupEntity = attrGroupDao.selectById(attrId.getAttrGroupId());
                    attrResponseVo.setGroupName(attrGroupEntity.getAttrGroupName());
                }
            }
            CategoryEntity categoryEntity = categoryDao.selectById(attrEntity.getCatelogId());
            if (categoryEntity != null) {
                attrResponseVo.setCateLogName(categoryEntity.getName());
            }
            return attrResponseVo;
        }).collect(Collectors.toList());
        pageUtils.setList(responseVoList);
        return new PageUtils(page);
    }

    @Override
    public AttrResponseVo getAttrInfo(Long attrId) {
        AttrEntity attrEntity = this.getById(attrId);
        AttrResponseVo attrResponseVo = new AttrResponseVo();
        BeanUtils.copyProperties(attrEntity, attrResponseVo);
        if (attrEntity.getAttrType() == ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode()) {
            //分组信息
            AttrAttrgroupRelationEntity attrgroupRelation = relationDao.selectOne(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attrEntity.getAttrId()));
            if (attrgroupRelation != null) {
                attrResponseVo.setAttrGroupId(attrgroupRelation.getAttrGroupId());
                AttrGroupEntity attrGroupEntity = attrGroupDao.selectById(attrgroupRelation.getAttrGroupId());
                if (attrGroupEntity != null) {
                    attrResponseVo.setGroupName(attrGroupEntity.getAttrGroupName());
                }
            }
        }
        //设置分类信息
        Long catelogId = attrEntity.getCatelogId();
        Long[] catelogPath = categoryService.findCatelogPath(catelogId);
        attrResponseVo.setCatelogPath(catelogPath);
        CategoryEntity categoryEntity = categoryDao.selectById(catelogId);
        if (categoryEntity != null) {
            attrResponseVo.setCateLogName(categoryEntity.getName());
        }

//        attrResponseVo.setAttrGroupId();
//        attrResponseVo.getCatelogPath();
        return attrResponseVo;
    }

    @Transactional
    @Override
    public void updateAttr(AttrVo attr) {
        AttrEntity attrEntity = new AttrEntity();
        BeanUtils.copyProperties(attr, attrEntity);
        this.updateById(attrEntity);
        if (attr.getAttrType() == ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode()) {
            //修改关联
            AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();
            relationEntity.setAttrGroupId(attr.getAttrGroupId());
            relationEntity.setAttrId(attr.getAttrId());
            Integer count = relationDao.selectCount(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attr.getAttrId()));
            if (count > 0) {
                //修改关联
                relationDao.update(relationEntity, new UpdateWrapper<AttrAttrgroupRelationEntity>().eq("attr_id", attr.getAttrId()));
            } else {
                //新增
                relationDao.insert(relationEntity);
            }
        }
    }

    /**
     * 根据分组ID找到组内所有属性
     *
     * @param attrgroupId
     * @return
     */
    @Override
    public List<AttrEntity> getRelationAttr(Long attrgroupId) {
        List<AttrAttrgroupRelationEntity> entities = relationDao.selectList(new QueryWrapper<AttrAttrgroupRelationEntity>().eq("attr_group_id", attrgroupId));
        List<Long> attrIds = entities.stream().map((attr) -> {
            return attr.getAttrId();
        }).collect(Collectors.toList());
        if (attrIds == null || attrIds.size() == 0) {
            return null;
        }
        List<AttrEntity> attrEntities = this.listByIds(attrIds);
        return attrEntities;
    }

    @Override
    public void deleteRelation(AttrGroupRelationVo[] vos) {
//        relationDao.delete(new QueryWrapper<>().eq("attr_id",)
//                .eq("attr_group_id",))
        List<AttrAttrgroupRelationEntity> relationEntities = Arrays.asList(vos).stream().map((item) -> {
            AttrAttrgroupRelationEntity relationEntity = new AttrAttrgroupRelationEntity();
            BeanUtils.copyProperties(item, relationEntity);
            return relationEntity;
        }).collect(Collectors.toList());
        relationDao.deleBatchRelation(relationEntities);
    }

    /**
     * 获取当前分组没有关联的所有属性
     *
     * @param params
     * @param attrgroupId
     * @return
     */
    @Override
    public PageUtils getNpRelationAttr(Map<String, Object> params, Long attrgroupId) {
        //1.当前分组只能关联自己所属分类里面的的所有属性
        AttrGroupEntity attrGroupEntity = attrGroupDao.selectById(attrgroupId);
        Long catelogId = attrGroupEntity.getCatelogId();
        //2.当前分组只能关联别的分组没有引用的属性
        //2.1 当前分类下的其他分组 ->找到分组关联的属性 ->从当前分类的属性中移除的属性
        List<AttrGroupEntity> group = attrGroupDao.selectList(new QueryWrapper<AttrGroupEntity>().eq("catelog_id", catelogId));
        List<Long> collect = group.stream().map((item) -> {
            return item.getAttrGroupId();
        }).collect(Collectors.toList());

        List<AttrAttrgroupRelationEntity> groupId = relationDao.selectList(new QueryWrapper<AttrAttrgroupRelationEntity>().in("attr_group_id", collect));
        List<Long> attrIds = groupId.stream().map(item -> {
            return item.getAttrId();
        }).collect(Collectors.toList());

        QueryWrapper<AttrEntity> queryWrapper = new QueryWrapper<AttrEntity>().eq("catelog_id", catelogId)
                .eq("attr_type", ProductConstant.AttrEnum.ATTR_TYPE_BASE.getCode());
        if (attrIds != null || attrIds.size() > 0) {
            queryWrapper.notIn("attr_id", attrIds);
        }
        String key = (String) params.get("key");
        if (!StringUtils.isEmpty(key)) {
            queryWrapper.and((wrapper) -> {
                wrapper.eq("attr_id", key).or().like("attr_name", key);
            });
        }
        IPage<AttrEntity> page = this.page(new Query<AttrEntity>().getPage(params), queryWrapper);
        PageUtils pageUtils = new PageUtils(page);
        return pageUtils;
    }

    /**
     * 在指定的所有属性集合里面，挑选出检索属性
     * @param attrIds
     * @return
     */
    @Override
    public List<Long> selectSearchAttrs(List<Long> attrIds) {
        return this.baseMapper.selectSearchAttrs(attrIds);
    }


    public static void main(String[] args) throws IOException {

        String contextPath = AttrServiceImpl.class.getClass().getResource("/").getPath();
        System.out.println(contextPath);
        String filePath = contextPath + "hr.zip";
        String dirPath = contextPath + "1.txt";
        File file = new File(filePath);
        File dir = new File(dirPath);
        if (file.exists()) {
            // 删除指定文件，不存在报异常
            FileUtils.forceDelete(file);
        }
//        file.createNewFile();


        if (dir.isDirectory()) {
            // 清除该目录下的文件及子目录文件而不删除该目录文件夹。该目录不存在会报错
            FileUtils.cleanDirectory(dir);
        } else {
            dir.mkdirs();
        }

        File dir_File = new File(dirPath + "/" + "dir_file.txt");

        System.out.println(dir_File.getPath()); // \JQ_Resource\temp\hr\dir_file.txt
        System.out.println(file.exists());
    }
}